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run.php |
Readme.md
My Usage Dashboard
This script is used to calculate the energy consumption and coast since the last time the door was opened.
It gets 2 values via mqtt, the door status and the current energy meter value. With this Information, it gives the following outputs:
- the energy amount in kwh as float.
- the coast in € as float.
- the coast in euro rounded to 2 decimal places as string, ready for displaying.
all this topics will get a empty payload if the door is closed.
configuration
The script is configured env vars:
MQTT_HOST: the mqtt host to connect to
ENERGY_METER_TOPIC: the mqtt topic to get the energy meter value
DOOR_TOPIC: the mqtt topic to get the door status
ENERGY_PRICE: the price per kwh in €
OUTPUT_TOPIC_PREFIX: the mqtt topic to publish the outputs to
optionally:
MQTT_USER: the user to connect with
MQTT_PASSWORD: the password to connect with